@article{KUIPM_1992_19_19_a0,
     author = {E. A. Begovatov and T. S. Saamova and S. A. Strezhnev},
     title = {An estimate of an integral in the theory of diffraction gratings},
     journal = {Issledovaniya po Prikladnoi Matematike i Informatike},
     pages = {3--9},
     year = {1992},
     volume = {19},
     number = {19},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUIPM_1992_19_19_a0/}
}